Wave motor



Sept 8, 1925. 1,552,596

J. E. CRADDiCK WAVE: MOTOR Original Filed M 21, 1923 "'k I ll im -w witmwo Patented Sept. 8, 1925. I UNITED STATES PATENT OFFICE- JOEL E. CRADDICK, OF DENVER, COLORADO.

WAVE Moron.

Original application filed May 21, 1923, Serial No. 640,522. Divided. and this application filed May 1,

. Y 1924. Serial No. 710,416.

To all whom it may concern: shoes 12 toward the pivotal axis of the pad- Be it known that I, JOEL E. CRADDIGK, a dle 10 will gradually bring the machine to citizen of the United States, residing at a standstill, whereas outward adjustment of Denver, in the county of Denver and State said shoes will increase the strokes of the of Colorado, have invented certain new and cables. For adjusting the shoes 12, I mount 60 useful Improvements in WVave Motors; and drum means and co-acting cables on the I do declare the following to be a full, clear, paddle. In the construction shown, a pair and exact description of the invention, such of drums 14 are secured on a common horias will enable others skilled in the art to zontal shaft 15 which is rotatably mounted which it appertains to make and use the in appropriate bearings carried by the 65 same. paddle 10. Suitable cables 16 are wound This application forms a division of U. S. around the drums 14 and are connected with application, Serial No. 640,522, filed May the shoes 12, suitable guiding rollers or the 21, 1923, the present case being devoted to like 17 being provided at the ends of the 15 a wave motor comprising an oscillatory guideways 13, around which the cables 16 1 wave-operated paddle. pass. It will be understood from Figs. 1 The paddle above referred to is adapted and 2, that each of the cables 16 is confor connection by cables with an intermittinuous, and these cables are so wound upon tent grip mechanism on a power shaft (not the drums 14 that when the drum shaft 15 20 shown) so as to drive said shaft, and the is turned in one direction, by means of a 7 primary object is to provide novel means hand crank or the like 18, the shoes 12 will whereby the cables may be readily adjusted be simultaneously moved outward in the on the paddle to obtain strokes of difierent guideways 13 while turning of said shaft lengths, according to the speed at which in the other direction will move the shoes it is desired to drive the shaft. inwardly. Obviously, any desired means With the foregoing in view, the invention may be employed for holding the drum resides in the novel subject matter hereinshaft in adjusted position. after described and claimed, the descrip- Attention may be directed to the fact that tion being supplemented by the accompanythe drum shaft 15 is near the pivotal axis 30 ing drawing. of the paddle 10. Thus, it has little oscil- Figure 1 is a side elevation of the paddle, latory movement even when the paddle is partly broken away. swinging to the maximum, it being there- Figure 2 is a vertical sectional view on for an easy matter to grasp the handle 18 line 22 of Fig. 1. for adjustment of the cables 9. 35 Figure 3 is a horizontal sectional view As excellent results may be obtained from on line 3-3 of Fig. 1. the details disclosed, they are preferably In the drawing above briefly described, followed, but within the scope of the inven- S designates a support which may well be tion as claimed, numerous minor changes a portion of a wharf. Upon this support, may be made.

40 is mounted a vertically disposed oscillatory I claim: paddle 10 having trunnions 11 between its 1. A machine of the class described comupper and lower ends, mounted in suitable prising an oscillatory power-receiving membearings 11. Above and below these trunber pivoted between its ends and having nions, two cables 9 are shown which are radial shoe guides at opposite sides of its 45 adapted to lead to and operate an interpivotal axis, power transmitting shoes mittent-grip, shaft-driving mechanism (not mounted for adjustment along said guides, shown). In the preferred form of concable guides at the ends of said shoe guides, struction, the connections between the cables a manually rotatable drum mounted on said 9 and the paddle 10, are established by member, and cables trained around said 50 means of a pair of shoes 12 slidable along drum n Said Cabl? gu dfi l radial slots 13 or other guide-ways with being connected to said shoes for ad usting which the paddle 10 is provided. It will the latter along their guides when the drum thus be seen that the operative strokes of is rotated. I the cables may be varied to control the 2. A machine of t e class described com- 55 speed of the driven shaft, as moving the prising a vertically disposed power-receiving member having means'between its upper and lower ends for pivotally supporting the member, said member having near one edge a Vertical slot extending from a point below its pivotal axis substantially to the upper end of the member, and having near its other edge a downwardly extending slot whose upper end is slightly above said pivotal axis, a palr of power transmitting shoes slidably received in said slots, cable guid-' ing rollers mounted in theends of said slots, continuous cables trained around said rollers and secured to said shoes, a horizontal drum around which portions of said cables are oppositely wound, whereby to adjust said shoes when the drum is rotated, and supporting means for said drum carried by said member.

In testimony whereof I have hereunto aflixed'my signature.

JOEL E. C-RADDIOK. 

